Proteins destined for secretion from a cell generally move from the Golgi apparatus to the rough endoplasmic reticulum and finally to endocytotic vesicles prior to export.
a. true
b. false
Answer: b. false
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The stage of the cell cycle during which the cytoplasm divides to form two cells is called:
A. G1 B. S C. G2 D. Mitosis E. Cytokinesis
A bacterium is found that is resistant to the antibiotic gentamicin. The bacterium was isolated in a hospital where patients were routinely given gentamicin for a variety of infections. What was the pressure that selected for this resistant population?
A) presence of gentamicin in the environment B) high mutation rate for the bacterium C) growth situation for the bacterium D) patients that did not receive the antibiotic
The process of DNA replication can be described as which of the following?
a. total displacement b. semi-conservative c. conservative d. dispersive
Answer the following statements true (T) or false (F)
1.Estrogen is a male sex hormone. 2.Follicle-stimulating hormone (FSH) is only found in females. 3.Birth control pills only contain estrogen. 4.Sea urchins display external fertilization. 5.Fruit fly development expression of the bicoid gene on one end of the embryo is necessary for proper head positioning.